What is the Greatest Common Factor of 78856 and 78865?

Greatest common factor (GCF) of 78856 and 78865 is 1.

GCF(78856,78865) = 1

We will now calculate the prime factors of 78856 and 78865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78856 and 78865.

How to find the GCF of 78856 and 78865?

We will first find the prime factorization of 78856 and 78865. After we will calculate the factors of 78856 and 78865 and find the biggest common factor number .

Step-1: Prime Factorization of 78856

Prime factors of 78856 are 2, 9857. Prime factorization of 78856 in exponential form is:

78856 = 2³ × 9857¹

Step-2: Prime Factorization of 78865

Prime factors of 78865 are 5, 15773. Prime factorization of 78865 in exponential form is:

78865 = 5¹ × 15773¹

Step-3: Factors of 78856

List of positive integer factors of 78856 that divides 78856 without a remainder.

1, 2, 4, 8, 9857, 19714, 39428

Step-4: Factors of 78865

List of positive integer factors of 78865 that divides 78856 without a remainder.

1, 5, 15773

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78856 and 78865. The biggest common factor number is the GCF number.
So the greatest common factor 78856 and 78865 is 1.

Also check out the Least Common Multiple of 78856 and 78865